Lead Software Engineer Python Java Jobs in London, UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Engineering Product Manager

Join to apply for the Engineering Product Manager role at The Audio Programmer . Remote position. Working from anywhere. Job Description We are looking for two highly experienced Product Managers with strong software engineering backgrounds to join a successful audio A ...

Senior Blockchain Engineer (Remote in Europe and in UAE)

Senior Blockchain Engineer (Remote in Europe and in UAE) Job Responsibilities: Develop software in Rust for our core node. Write tests and develop the test framework in both Rust and Python. Assist in designing and planning the architecture of the core no ...

Senior Blockchain Engineer (Remote in Europe and in UAE)

Senior Blockchain Engineer (Remote in Europe and in UAE) Job Responsibilities: Develop software in Rust for our core node. Write tests and develop the test framework in both Rust and Python. Assist in designing and planning the architecture of the core no ...

Senior Aerodynamic AI Engineer

Responsibilities Williams F1 Team is seeking a Senior Aerodynamic AI Engineer to join our Aerodynamics department, working at the cutting edge of data, artificial intelligence, and vehicle performance. This role will focus on transforming aerodynamic data from CFD simulations, wind tunnel measurem ...

Quant Dev (Python): Systematic Equities & ML Platform

Quant Dev - Systematic Equities Trading (Python) London Quant Dev - Systematic Equities Trading What we do: Maven’s Systematic Equities team deploys research-driven strategies across global equity markets, powered by some of the most advanced technology available. Our approac ...

Quantitative Python Developer: Pricing & Risk (Hybrid/Remote)

Qh4 Consulting, based in Greater London, is seeking a Quantitative Developer at the VP/Director level. The ideal candidate will have a strong quantitative background, solid Python skills, and experience in structured finance, particularly in ABS markets. Responsibilities include designing and maintaining pricing ...

Fixed Income Quant Developer (Python) – Pricing & Trading

A leading hedge fund is seeking a Quantitative Developer for their Fixed Income team in London. This role focuses on building critical trading infrastructure and requires advanced Python skills and a strong quantitative background. Ideal candidates will have 4-5 years of experience in Fixed Income markets and po ...

Front Office Quant Developer — Commodities & Python Tools

A leading hedge fund based in London is seeking a Quantitative Developer to bridge software engineering with trading. The role involves developing robust pricing and risk management tools while collaborating closely with Portfolio Managers. The ideal candidate will possess strong Python skills and experience in ...

Senior Internal Model Actuary – Python & DevOps (ERM)

The Emerald Group is seeking a Model Implementation Actuary in London. In this permanent role, you will design, develop, and document internal models for various financial risks, including credit and interest rates. A strong background in capital modelling and proficiency in Python are essential. The role requir ...

Senior Python Developer AI Augmented, Hybrid (London)

A leading cloud solutions provider is seeking a Senior Python Developer to join their team in London under a hybrid working policy. The ideal candidate will have strong Python skills and experience with AI-augmented coding tools. You'll be responsible for building and maintaining backend services, implementing C ...

Junior Quant Developer: Front Office Trading (Python)

A leading FinTech firm in London is seeking a Junior Quantitative Developer/Researcher. This role offers a competitive salary up to £120k and a significant bonus. Ideal candidates will have strong Python skills and a background in Quant Development or Software Engineering, preferably in a front office environmen ...

Structured Power Trader Hedging & Risk Strategist (Python)

A commodities trading firm is seeking a Structured Power Trader to join their expanding team in Greater London. The role involves originating and executing structured deals, developing stress testing methodologies, and creating hedging strategies to manage risks. The ideal candidate should have 2-5 years of expe ...

Senior eFX Quant Trader with ML & Python

UBS is looking for a full-time FX Trader in London to enhance their electronic FX Trading systems. The role involves generating improvement ideas, developing models in Python, and monitoring system performance. Candidates should have a Master's in a relevant field, at least 5 years of experience in systematic tr ...

QIS Quant: Front Office Modeling, Python & Cloud

UBS is seeking a quantitative analyst in London to lead the design, development, and implementation of quantitative models for the QIS business. The candidate should have 3+ years in systematic trading or quantitative research, strong proficiency in Python, and a solid grounding in financial mathematics. Key res ...

Senior SRE AVP Python, Cloud, SecDB (London)

Adroit People Limited (UK) is seeking an Assistant Vice President, Site Reliability Engineer based in London. The ideal candidate will have a minimum of 8 years experience in site reliability engineering, with a strong background in managing Python-based applications and exposure to cloud technologies. This role ...

Senior Python Developer – Fixed Income Trading Systems

A leading investment bank in Greater London is seeking an experienced Python Developer to enhance and maintain core production trading systems. This role is vital within the trading technology team, focusing on ownership of components and interaction with traders. Ideal candidates will have solid experience in P ...

Full Stack Python/React Developer – London Hybrid

VirtueTech Recruitment Group is seeking a Full Stack Developer skilled in Python and React.js for an asset management institution in London. The role entails engineering backend services and collaborating with teams to deliver scalable trading services. The position offers up to £90k, hybrid working conditions, ...

Python Developer for Front Office Asset Management

Bruin, a leading asset manager in London, is seeking two Analyst Developers for a high-impact Front Office Technology team. This hybrid role offers an opportunity to build bespoke applications involving investment strategy, ESG analytics, and portfolio management. Candidates should have a solid understanding of ...

Senior Python Developer Remote, AWS, FinTech Impact

Oliver Bernard is seeking a Senior Python Developer for a FinTech company in Greater London. The role involves designing complex systems and writing scalable, high-quality Python code. Candidates should have over 6 years of experience with Python and expertise in frameworks such as Flask. A Computer Science or S ...

Junior Python Developer Front Office Analytics (London)

McGregor Boyall is looking for a Junior Python Developer to join its front-office technology team in London. This role involves developing and maintaining Python-based analytics and data applications, working closely with traders and quantitative teams in a fast-paced commodities trading environment. Ideal candi ...

Senior Python Developer Trading & Risk Platforms (Hybrid)

ScaleneWorks People Solutions LLP is seeking an experienced Sr Python Developer to build backend applications and data processing logic for trading and risk platforms in London. This hybrid role requires 7-12 years of experience, with a strong background in Core Python development and SQL, as well as familiarity ...

Junior Derivatives Trader — Python/C++ & Market Insight

Our client, a boutique hedge fund, is looking to hire a Junior Trader. This role would suit a self-motivated and ambitious individual wanting to learn from a highly experienced trading team. Responsibilities include: Executing trades for systematic trading strategies Mainta ...

Junior Developer (Python, JS, PHP) – London/Remote

A leading tech recruitment firm in the UK is seeking a Graduate / Junior Developer to join an expanding team in London. This role involves utilizing skills in Python, JavaScript, and PHP while contributing to a successful social messaging platform. The ideal candidate is a recent university graduate with a passi ...

Graduate / Junior Developer, Python, JavaScript, PHP London

Graduate / Junior Developer, Python, JavaScript, PHP – London (Tech stack: Graduate / Junior Developer, Python, JavaScript, PHP, Graduate / Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period ...

Senior Python Developer for FinTech Data Platform

A well-established tech house in London is seeking a Python Developer to join their team focused on building innovative software for the finance sector. The ideal candidate will have strong Python and SQL skills, along with experience in REST Microservices and big data tools such as Spark and Kafka. This mid-sen ...

Front Office Quantitative Analyst, Python Valuation & Risk

A leading recruitment agency is searching for an experienced Quantitative Analyst for a market-leading Buy Side firm in London. The role involves building production valuation models within a Python pricing library, working closely with senior stakeholders to ensure governance and control in models. Candidates s ...

Graduate Quantitative Analyst – Trading Desk (Python/ML)

A leading trading firm in Greater London is seeking an individual with strong quantitative skills to join their Quantitative Trading desk. This role involves delivering high-quality quantitative strategies, monitoring trading and strategy performance, and implementing signals within the global execution platform ...

Senior Python Backend for Forecasting AI Agents

A cutting-edge AI firm is seeking a talented backend engineer to develop the infrastructure for autonomous AI systems. You will work closely with founders to design data pipelines, architect backend services, and ensure optimal integration of various components. The ideal candidate has over 5 years of experience ...

Quant Developer Python Tools for Research & Backtests

A leading quantitative trading firm in Greater London is seeking a Quant Developer to join its EMEA Development team. This role involves developing tools for quantitative trading strategies, enhancing the simulation framework, and providing support for research tasks. Ideal candidates will have a strong backgrou ...

Python Developer Equity Factor Model Risk Technology

Millennium is looking for an exceptional individual to join the Equity Factor Risk Model Technology Team, which is responsible for designing and developing equity portfolio analytics framework, including MSCI Barra equity factor risk models. Build expertise in Barra and proprietary factor ris ...

Power Market Insight Architect | Hybrid, Python/SQL

A global leader in energy intelligence is seeking a Hybrid Power Insight Analyst to develop analytics for the Polish and French power markets. This role requires strong skills in Python and SQL alongside the ability to communicate insights to C-suite executives. You'll model power trends, create engaging market ...

SaaS Product Support Analyst — Python & Customer Success

A growth-oriented technology firm in Greater London seeks a Support Analyst to assist customers with issues related to their platform. The ideal candidate will have at least one year of relevant experience, strong problem-solving skills, and proficiency in Python. This role involves collaboration with various te ...

Real Time Trading SRE: Linux, Python & Networking

Huntress Talent is seeking an IT professional to monitor and manage real-time trading systems. You'll be responsible for ensuring operational efficiency by overseeing market transactions and resolving system issues. The ideal candidate has over 2 years of IT experience, strong knowledge of Linux, Unix, and netwo ...

Python Web Developer — Finance Ops & Trade Automation

An established industry player is on the lookout for a mid-level Python Web Developer to join their innovative team in London. This role involves creating bespoke applications for financial operations, focusing on developing automation systems and custom data visualization tools. You'll collaborate closely with ...

Senior Python Quant Developer — Live Trading Systems

Tempest Vane Partners is seeking a Quantitative Developer for their London-based Alpha Technology team. This role offers full lifecycle ownership of systems that drive quant trading strategies. Successful candidates will have over a decade of Python-specific software engineering experience alongside knowledge in ...

Python Quant Developer — Cross Asset Risk & PnL

A leading global investment bank in London is seeking a mid-senior level Python Developer to join their cross-asset strategy group. This role involves working hands-on with trading teams and developing Python-based tools to enhance market risk and PnL analysis. Successful candidates are passionate about programm ...

Credit Quant Developer: Python Migration & Risk Analytics

A leading financial institution in London is looking for a skilled Credit Quant Developer to manage the migration of risk model code from R to Python. This role requires strong programming skills, a solid foundation in econometrics, and the ability to solve complex modeling challenges. Candidates should have exp ...

Python Quant Developer | High Frequency Trading Team

Python Quant Developer | High-Frequency Trading Team We are working with a leading traditional and digital asset trading firm whose mission is to build a global financial institution designed for market integrity and efficiency. They apply a disciplined, first-principles approach to everything th ...

AI Driven Cloud Architect — Python & LangChain Expert

An engineering consultancy in Greater London is looking for an experienced Quality Cloud Architect (Python AI Developer) to design and maintain web applications and APIs. Responsibilities include building AI Agents, mentoring the team, and ensuring compliance. The ideal candidate should have strong Python skills ...

Senior Trade Data Analyst Python & Data Quality

A dynamic business consultancy in London is seeking a Mid-Senior level Business Analyst to specialize in trade data analysis. Candidates should possess strong Python skills and have at least 3 years of experience in a similar role, preferably in the financial services sector. This role involves collaborating wit ...

Senior Treasury Analytics Associate — Quant & Python Global

A global financial services leader in London is seeking an Associate for their Advanced Treasury Analytics team. You will develop analytical tools while collaborating with a dynamic team to support strategic treasury decisions. Ideal candidates will have a strong quantitative background, be effective communicato ...

Data Scientist (Python & SQL) Freelance AI Trainer

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity Involves Design original computational data ...

Senior Credit Risk Analyst — Fintech, Python/SQL

A leading fintech company in Greater London is seeking a Senior Credit Risk Analyst to drive meaningful change in consumer finance products. The ideal candidate will have strong coding skills in Python and SQL, as well as experience in credit risk strategy. This full-time position involves optimizing lending dec ...

Realtime Data & Trading Apps Developer (Python) – London

A leading technology firm in London is seeking a mid-senior level software developer with expertise in Python. You will design and build features, collaborate on code quality, and take ownership of production software. Ideal candidates have a degree in Computer Science and strong experience in web-scraping techn ...

Quantitative Python Developer: Pricing & Risk (Hybrid/Remote)

Qh4 Consulting, based in Greater London, is seeking a Quantitative Developer at the VP/Director level. The ideal candidate will have a strong quantitative background, solid Python skills, and experience in structured finance, particularly in ABS markets. Responsibilities include designing and maintaining pricing ...

Data Architect Clinical Knowledge Graph (SPARQL/Python)

Stars Arena in London is looking for an experienced Data Architect specialized in Clinical Knowledge Graph. The role involves designing, developing, and maintaining scalable data pipelines using SPARQL and Python, as well as optimizing complex queries. Knowledge Graph experience is essential. This position is co ...

Data Scientist (Python & SQL) Freelance AI Trainer

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity Involves Design original computational data ...

Credit Quant Developer: Python Migration & Risk Analytics

A leading financial institution in London is looking for a skilled Credit Quant Developer to manage the migration of risk model code from R to Python. This role requires strong programming skills, a solid foundation in econometrics, and the ability to solve complex modeling challenges. Candidates should have exp ...

Risk Transformation BA (Market/CCR) – FRTB & Python

Ad Astra Consultants is seeking an experienced Business Analyst in Greater London to work on Market Risk and Counterparty Credit Risk (CCR) transformation programs. The ideal candidate will have strong analytical skills, particularly in data validation using SQL and Python, and a robust understanding of regulato ...

C++/Python Quant Developer — Equities & Risk Systems

Nicoll Curtin is seeking an experienced C++/Python Quant Developer for a leading investment bank in London. The role focuses on developing and optimizing systems for pricing, risk management, and P&L calculations. Candidates should possess strong skills in C++, Python, and a solid understanding of equities and e ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights